Siti set up the circuit shown below. When one bulb fuses, the other bulbs remain lit. Which circuit arrangement is she using?
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Worked Solution
Step 1: Identify the observation (one bulb fuses, others stay lit).
Step 2: Recall that in a parallel circuit, there are multiple paths for electricity.
Step 3: If one path is broken, current can still flow through other branches.
Step 4: This describes a parallel arrangement.
Correct answer: Parallel arrangement
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